Capacity estimation based watermarking algorithm

被引：0

作者：

Shao, Ya-Fei ^{[1
]}

Wu, Guo-Wei ^{[1
]}

Zhang, Li ^{[1
]}

Lin, Xing-Gang ^{[1
]}

机构：

[1] Dept. of Electron. Eng., Tsinghua Univ., Beijing 100084, China

来源：

Tien Tzu Hsueh Pao/Acta Electronica Sinica | 2002年 / 30卷 / 10期

关键词：

Algorithms - Dynamics - Embedded systems - Image processing - Robustness (control systems);

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In order to be more robust and with higher fidelity, watermarking should be based on capacity estimation. Two capacity estimation based watermarking algorithms were proposed. Human visual system is used to determine the embedding strength for capacity estimation, showing that which DCT (discrete cosine transform) coefficient should be applied to embed information bit. The algorithms can achieve high robustness and low distortion and meet the requirement of dynamic adjustment of embedding capacity. It can be used for binary or image watermarking. A method combining watermarking and JPEG compression was also proposed.

引用

页码：1441 / 1444

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